You are exploring your stock market data set, and you think stock price is likely affected by the variability in the stock the day before as well as the price of the stock the day before. If you are building a regression model to estimate this relationship, which variable would be your independent $($X$)$ variable$($s$)?$

You are exploring your stock market data set, and you think stock price is likely affected by the variability in the stock the day before as well as the price of the stock the day before. If you are building a regression model to estimate this relationship, which variable would be your independent $($X$)$ variable$($s$)?$

Stock variability the day before

Stock price from the day before and stock variability from the day before

Stock price from today

Stock price today and stock price from yesterday